@article{DBLP:journals/tcs/PrusaR17,
  author    = {Daniel Pr\r{u}\v{s}a and
               Klaus Reinhardt},
  title     = {Undecidability of the emptiness problem for context-free picture languages},
  journal   = {Theor. Comput. Sci.},
  volume    = {679},
  pages     = {118--125},
  year      = {2017},
  url       = {https://doi.org/10.1016/j.tcs.2016.03.025},
  doi       = {10.1016/j.tcs.2016.03.025},
  timestamp = {Thu, 28 Dec 2017 16:11:27 +0100},
  biburl    = {http://dblp.org/rec/bib/journals/tcs/PrusaR17},
  bibsource = {dblp computer science bibliography, http://dblp.org}
}